Two bodies of mass 1 kg and 3 kg have position vectors respectively. The centre of mass of this system has a position vector
A thin uniform circular ring is rolling down an inclined plane of inclination 30o without slipping. Its linear acceleration along the inclined plane will be :
g/2
g/3
g/4
2g/3
If is the force acting on a particle having position vector and be the torque of this force about the origin, then
A spherical ball rolls on a table without slipping. Then the fraction of its total energy associated with rotation is
2/5
5/7
3/5
3/7
Consider a system of two particles having masses m1 and m2. If the particle of mass m1 is pushed towards the mass centre of particles through a distance d, by what distance would the particles of mass m2 move so as to keep the mass centre of the particles at the original position?
d
The angular momentum of a body with mass ( m) moment of inertia ( I ) and angular velocity ( ω ) rad/s is equal to ____.
Iω2
I/ω2
I/ω